In 1994, Liam was nominated for a BAFTA Film Award for Best Actor for: Schindler's List (1993).

In 2000, Liam was nominated for a Saturn Award for Best Actor for: Star Wars: Episode I - The Phantom Menace (1999).

In 1994, Liam was nominated for an Oscar for Best Actor in a Leading Role for: Schindler's List (1993).

Liam was very active with the Royal National Theatre in London during the 90's where he performed a wide range of Shakespeare's works.

Liam is an honorary board member of the CDS (Conference of Drama Schools) in England, which also includes Sir Anthony Hopkins, Brian Cox, Richard Harris, Peter O'Toole and Jeremy Irons (to name a few). The board oversees all drama schools in England.

Liam was accepted to the Bristol Old Vic Drama School in England, but decided to attend the Gaiety School of acting instead so he could stay active with the Dublin Shakespeare Festival while in school.

Liam was chosen for the role of Gawain in Excalibur primarily because director John Boorman wanted a large man in the role for the duel between Gawain and Lancelot (the late Nicholas Clay). Liam met Hellen Mirren (Morgana) on the Excalibur set.

Though Liam was eager to be a part of Star Wars: Episode I - The Phantom Menace, he reportedly hated working on the film, once shooting started, remarking that he "felt like a puppet."

He recalled his most embarrassing moment in acting as when, relatively early in his career, he auditioned for the role of Fezzik, the giant, in The Princess Bride (1987). He said Rob Reiner had a look of disgust when he noticed that Liam was only 6'4

Liam is a member of the Dublin Shakespeare Theatre Festival where his past credits include Hamlet, King Richard II, and Alls Well That Ends Well.

Liam was connected to David Lean's production of Nostromo, but he withdrew before pre-production began and Lean's subsequent death.

Liam attended Queen's University of Belfast for a short while to study physics and computer science, but flunked out.

Liam is the Son-in-law of actress Vanessa Redgrave and Tony Richardson.

Liam first worked with future wife actress Natasha Richardson on the TV mini-series Ellis Island (1984).

Liam won a libel case in 1998 against newspapers who claimed that his marriage was in trouble.

Liam made his Broadway debut in Anna Christie in which he co-starred with Natasha Richardson (1993).

Liam played the role of an Evangelist in the first two films he ever appeared in: Pilgrim's Progress (1979) and Christiana (1979).

Liam also worked as a truck driver, and an assistant architect before he began to study acting.

Liam originally sought a career as a teacher by attending St. Mary's Teaching College in Belfast.

Liam was considered for the role of Van Helsing in Dracula (1992) (and reportedly he very much wanted the role), however, he was turned down when Anthony Hopkins showed an interest in the role and ultimately got it.

Liam was considered for the role of James Bond in Golden Eye, but lost out to Pierce Brosnan.

Liam ranked #69 in Empire (UK) magazine's "The Top 100 Movie Stars of All Time" list.

Liam was chosen by Empire magazine as one of the 100 Sexiest Stars in film history (#74).

Liam was named an Officer of the Order of British Empire (OBE) by Britain's Queen Elizabeth on New Year's Eve, 1999.

Liam was nominated for Tony award for Best Leading Actor in a play for his role in The Crucible in 2002.

One of Liam's hobbies is fly-fishing.

Liam stands 6'4" tall.

Liam was a boxer as a teen-ager in Northern Ireland, which resulted in getting his nose broken at the age of 15. Nevertheless, he went on to win the Irish Youth Championship. A brief blackout after one of his fights, caused him to give up the ring.

Liam wanted to be in Star Wars: Episode I - The Phantom Menace so badly, that he accepted the role before he even read the script!